Crazy Widespread Disappearance of Wetlands around Houston
Wetlands in Buffalo Bayou Threatened Too
Aug. 3, 2015
The Army Corps of Engineers is not keeping track of whether developers are replacing tens of thousands of acres of wetlands lost to development in the Houston region as required by law.
Wetlands, according to the Environmental Protection Agency, “are part of the foundation of our nation’s water resources and are vital to the health of waterways and communities that are downstream. Wetlands feed downstream waters, trap floodwaters, recharge groundwater supplies, remove pollution, and provide fish and wildlife habitat.”
Under the federal Clean Water Act, the Corps of Engineers is charged with protecting our wetlands.
A study by the Houston Advanced Research Center (HARC), reported by the Houston Chronicle Friday, July 31, 2015, found that “more than 38,000 acres of wetlands vanished in greater Houston over the past two decades despite a federal policy that ‘no net loss’ can be caused by encroaching development.”
Wetland photo by John Jacob, director of Texas A&M University’s Coastal Watershed Program, published in the Houston Chronicle, July 31, 2015. Printed with permission of John Jacob.
Permeable Paving Can Help Save Us and Our Bayous
Impervious Surface Is A Major Cause of Flooding in Houston
June 17, 2015
Yes, porous paving does work in Houston. We need to use more of this, on our hot, sunbaked parking lots, on our sidewalks, driveways, patios, and more. (It’s cooler too!)
Storm water runoff is a major problem for our bayous (especially those that have had protective trees and plants stripped from their banks). And impervious surface is the major cause of flooding and contributes to water pollution too. Instead of soaking into the ground (or being deflected by trees and leaves), filtering naturally and slowly through the soil and being cleansed of pollutants, storm water runoff gathers quickly, racing through toxic streets and highways, into drainage systems and pouring all at once into our bayous and creeks.
Here is an interesting and timely article in the Houston Chronicle by the founder of Houston-based TrueGrid, a permeable paving company that even creates permeable grass parking lots.
(Note to Houston park and street planners: we don’t need to have ugly, hot impermeable concrete or asphalt sidewalks to accommodate wheelchairs and runners. TrueGrid makes ADA compliant, permeable sidewalks.)
There is, in fact, also a permeable asphalt, recommended by the Environmental Protection Agency (EPA).
But here’s another interesting fact: in a typical urban residential area, rooftops account for 30-40 percent of the total impervious area. What can you do about that? Individuals can do a lot!
The Houston Arboretum has programs about how to build rain barrels and rain gardens. And here is an EPA slideshow about the importance of rain gardens and how to build them.
As the EPA says, “Slow it down, spread it out, soak it in.”
We don’t need to keep flooding and destroying our bayous, making them into bigger, uglier drainage ditches.
Leave It Alone: Buffalo Bayou Will Naturally Repair Itself
Opponents of the Memorial Park Demonstration Project Say Buffalo Bayou Is Fine Post-Flood
By Dianna Wray, Houston Press, Wednesday, June 10, 2015
After the rains started coming down on Memorial Day weekend, geologist Bill Heins, an ardent opponent of the Memorial Park Demonstration Project, couldn’t stop thinking about what was happening as the waterway continued to swell and slop over its usual banks along the last natural stretch of Buffalo Bayou that exists in Houston.
The flood waters haven’t fully receded yet, but both those in favor of the project and those against it have been out on the bayou looking for anything to back up their arguments. Project proponents point to signs of erosion on the soggy banks as evidence that we need this project. Those against it, including Heins, argue that the banks are showing signs of only minor erosion and that the evidence so far shows the natural system of the bayou — even during a record-setting flood — is working perfectly, meaning the Memorial Park Demonstration Project is unnecessary.
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